Add Low Latency Audio Control

Set low latency audio allowed status when follwoing condition to inform
audio hal low latency mode change.
1. A2dp connected
2. Codec config updated
3. Active device changed
4. Optional codec disabled/enabled

Bug: 247680090
Test: atest GoogleBluetoothInstrumentationTests:A2dpStateMachineTest
Ignore-AOSP-First: tm-qpr feature
Change-Id: I41e77973e21f241b160b1a12174892d55f34333b